Two new studies suggest that the botanical remedies black cohosh and red clover don't ease hot flashes or improve cognition during menopause. The studies from the University of Illinois did not improve symptoms even as well as placebo during the year-long trial. In a second study, researchers found that black cohosh did not improve or harm the participants' memory. However, both studies did find that the botanical remedies were safe--a factor that health experts say is important because many...